Lameness occurs when the wall is trimmed too short. If horse walk off sore, fire the blacksmith. Lameness might arise if an overgrown or an unbalanced foot that is trimmed back to a normal length and balanced suddenly in one trimming..

Arthritis is a degenerative and inflammatory disease of old horses associated with a joint which make flexion and/or weight bearing painful. Ringbone and spavin are examples of arthritic problems commonly seen in older horses.